Canister



FIG. 1 is a left front perspective view showing a canister of my new design;

FIG. 2 is a right rear perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a right side view thereof, the left side view being the mirror image thereof. 

The ornamental design for a canister, as shown and described. 